280147190205

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{809}}^1\times {\mathrm{11423}}^1$

素因数の和:12330

約数の個数: 64

約数和(自身を含む): 469038366720

約数和(自身を除く): 188891176515

約数列:

[1, 3, 5, 15, 43, 47, 129, 141, 215, 235, 645, 705, 809, 2021, 2427, 4045, 6063, 10105, 11423, 12135, 30315, 34269, 34787, 38023, 57115, 104361, 114069, 171345, 173935, 190115, 491189, 521805, 536881, 570345, 1473567, 1610643, 1634989, 2455945, 2684405, 4904967, 7367835, 8053215, 8174945, 9241207, 23085883, 24524835, 27723621, 46206035, 69257649, 115429415, 138618105, 346288245, 397371901, 434336729, 1192115703, 1303010187, 1986859505, 2171683645, 5960578515, 6515050935, 18676479347, 56029438041, 93382396735, 280147190205]

約数ペア:

[(1, 280147190205), (3, 93382396735), (5, 56029438041), (15, 18676479347), (43, 6515050935), (47, 5960578515), (129, 2171683645), (141, 1986859505), (215, 1303010187), (235, 1192115703), (645, 434336729), (705, 397371901), (809, 346288245), (2021, 138618105), (2427, 115429415), (4045, 69257649), (6063, 46206035), (10105, 27723621), (11423, 24524835), (12135, 23085883), (30315, 9241207), (34269, 8174945), (34787, 8053215), (38023, 7367835), (57115, 4904967), (104361, 2684405), (114069, 2455945), (171345, 1634989), (173935, 1610643), (190115, 1473567), (491189, 570345), (521805, 536881)]